Instead of reaching for that bottle of caustic drain cleaner under the sink. You need to manage and maintain your system well as you have a legal responsibility to make sure your school boiler is safe. Don’t miss this limited opportunity to replace your boiler or furnace with a more energy-efficient model and save! Chas are as health & safety accreditation scheme for the construction industry. This is a chance for you to save big on replacing your out-of-date.